2492840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 6652800

約数和(自身を除く): 4159960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 307, 406, 580, 614, 812, 1015, 1160, 1228, 1535, 1624, 2030, 2149, 2456, 3070, 4060, 4298, 6140, 8120, 8596, 8903, 10745, 12280, 17192, 17806, 21490, 35612, 42980, 44515, 62321, 71224, 85960, 89030, 124642, 178060, 249284, 311605, 356120, 498568, 623210, 1246420, 2492840]

約数ペア:

[(1, 2492840), (2, 1246420), (4, 623210), (5, 498568), (7, 356120), (8, 311605), (10, 249284), (14, 178060), (20, 124642), (28, 89030), (29, 85960), (35, 71224), (40, 62321), (56, 44515), (58, 42980), (70, 35612), (116, 21490), (140, 17806), (145, 17192), (203, 12280), (232, 10745), (280, 8903), (290, 8596), (307, 8120), (406, 6140), (580, 4298), (614, 4060), (812, 3070), (1015, 2456), (1160, 2149), (1228, 2030), (1535, 1624)]